Eddie Redmayne looked completely unrecognisable with a new beard as he was seen for the first time on set filming Panic Carefully in London on Saturday.

The English actor, 43, was spotted filming the upcoming Warner Bros thriller alongside his co-star Julia Roberts, 57.

Eddie debuted a slick back hairstyle and rugged facial hair as he roamed around the city in a tan trench coat and rucksack.

Meanwhile, Julia was seen on an escalator with members of the crew in between filming.

The Hollywood legend appeared to keep a low-key appearance in a navy blue Canada Goose coat and sunglᴀsses.

The actress kept her head down as she got to work on the latest project with The Day of the Jackal star.

Eddie Redmayne, 43, looked completely unrecognisable with a new beard as he was seen for the first time on set filming Panic Carefully in London on Saturday

Eddie ditched his clean shaven look for a rugged beard and slick back hairstyle as he was spotted filming

The English actor was spotted filming the upcoming Warner Bros thriller alongside his co-star Julia Roberts , 57 

While no plot specifics have been released, it has been described as a ‘paranoid thriller’ about the hunt for a cyber terrorist – in the same vein as his hit show Mr. Robot and Best Picture winner The Silence Of the Lambs. 

Elizabeth Olsen is also teaming up with Eddie and Julia on the movie, though she has been spotted on set as of yet. 

Joe Alwyn and Ben Chaplin are also said to be in the cast. It is currently unknown who is playing what role.

The film’s director, Mr Robot creator Sam Esmail, previously worked with Julia on the Netflix hit Leave The World Behind. 

Warner Bros. picked up the project in a heated bidding war, due in part to the studio’s commitment to a theatrical release for the film.

Julia looked more like a certain Tramp when she kicked off filming the movie at the beginning of February.

The actress was wearing an elegantly tailored grey tweed coat – but her lopsided stance and wide-leg trousers gave her an unfortunate resemblance to Charlie Chaplin’s most famous alter-ego. 

The star was pictured on Gray’s Inn Road, Central London while filming the psychological thriller.

Eddie debuted a slick back hairstyle and rugged facial hair as he roamed around the city in a tan trench coat and rucksack

Meanwhile, Julia was seen on an escalator with members of the crew in between filming

While no plot specifics have been released, it has been described as a ‘paranoid thriller’ about the hunt for a cyber terrorist – in the same vein as his hit show Mr. Robot and Best Picture winner The Silence Of the Lambs

Warner Bros. picked up the project in a heated bidding war, due in part to the studio’s commitment to a theatrical release for the film

Earlier this month, Julia looked more like a certain Tramp than the Pretty Woman in this picture as she kicked off filming Panic Carefully

Read More Elizabeth Olsen teams up with Julia Roberts for new thriller Panic Carefully

With her hair dyed dark auburn, Julia was filmed entering a Georgian terraced house which appeared to be standing in for the American embᴀssy. 

A number of soldiers carrying prop automatic weapons were guarding the building.

A bystander said: ‘Loads of armed soldiers on London’s streets gave it a bit of a sinister dystopian feel. 

‘But Julia herself looked to be in good spirits, though, despite the chilly weather.’